EP3732196A2 - Anticorps et dosages pour ccl14 - Google Patents

Anticorps et dosages pour ccl14

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Publication number
EP3732196A2
EP3732196A2 EP18893753.6A EP18893753A EP3732196A2 EP 3732196 A2 EP3732196 A2 EP 3732196A2 EP 18893753 A EP18893753 A EP 18893753A EP 3732196 A2 EP3732196 A2 EP 3732196A2
Authority
EP
European Patent Office
Prior art keywords
seq
chain variable
variable region
antigen binding
binding fragment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP18893753.6A
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German (de)
English (en)
Other versions
EP3732196A4 (fr
Inventor
Ravi A. Vijayendran
Hua Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Astute Medical Inc
Original Assignee
Astute Medical Inc
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Filing date
Publication date
Application filed by Astute Medical Inc filed Critical Astute Medical Inc
Publication of EP3732196A2 publication Critical patent/EP3732196A2/fr
Publication of EP3732196A4 publication Critical patent/EP3732196A4/fr
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/68—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids
    • G01N33/6863—Cytokines, i.e. immune system proteins modifying a biological response such as cell growth proliferation or differentiation, e.g. TNF, CNF, GM-CSF, lymphotoxin, MIF or their receptors
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K16/00—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies
    • C07K16/18—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/24—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans against cytokines, lymphokines or interferons
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K16/00—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K16/00—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies
    • C07K16/18—Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
    • G01N33/54366—Apparatus specially adapted for solid-phase testing
    • G01N33/54386—Analytical elements
    • G01N33/54387—Immunochromatographic test strips
    • G01N33/54388—Immunochromatographic test strips based on lateral flow
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/20—Immunoglobulins specific features characterized by taxonomic origin
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/30—Immunoglobulins specific features characterized by aspects of specificity or valency
    • C07K2317/34—Identification of a linear epitope shorter than 20 amino acid residues or of a conformational epitope defined by amino acid residues
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/30—Immunoglobulins specific features characterized by aspects of specificity or valency
    • C07K2317/35—Valency
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/50—Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/54—F(ab')2
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/50—Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/55—Fab or Fab'
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/50—Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/56—Immunoglobulins specific features characterized by immunoglobulin fragments variable (Fv) region, i.e. VH and/or VL
    • C07K2317/565—Complementarity determining region [CDR]
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/50—Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/56—Immunoglobulins specific features characterized by immunoglobulin fragments variable (Fv) region, i.e. VH and/or VL
    • C07K2317/567—Framework region [FR]
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/60—Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments
    • C07K2317/62—Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments comprising only variable region components

Definitions

  • C-C motif chemokine 14 (CCL14; SWISS-PROT Entry Q16627, also known as HCC-l, NCC-2, and SCYA14) is a small cytokine belonging to the CC chemokine family. It is also known as HCC-l. It is produced as a 93 residue protein precursor that is processed to generate a mature active protein containing 74 amino acids (residues 20-93) that and is 46% identical in amino acid composition to CCL3 and CCL4. This chemokine is expressed in various tissues including spleen, bone marrow, liver, muscle, and gut. CCL14 activates monocytes, but does not induce their chemotaxis. Human CCL14 is located on chromosome 17 within a cluster of other chemokines belonging to the CC family.
  • Such antibodies can find use in immunoassays with improved clinical performance, particularly when used in the evaluation of renal injuries, and in therapeutic methods in which CCL14 binding is desired.
  • the present invention relates to antibodies or antigen binding fragments thereof that binds to human CCL14, wherein the antibody or antigen binding fragment comprises:
  • a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 1 a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 3, a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 5, a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 7, a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 9,
  • a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 11 a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 13, a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 15, a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 17, or a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 19;
  • a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 2 a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 4, a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 6, a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 8, a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 10, a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 12, a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 14, a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 16, a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 18, or a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 20.
  • the antibody or antigen binding fragment comprises one the following heavy chain CDR/light chain CDR pairs:
  • a heavy chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 5 and a light chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 6 (4H1/4K3), a heavy chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 7, and a light chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 8 (10H3/10K1),
  • a heavy chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 17, and a light chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 18 (25H2/25K1), or
  • a heavy chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 19, and a light chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 20 (31H1/31K1).
  • the antibody or antigen binding fragment comprises:
  • the antibody or antigen binding fragment comprises one the following heavy chain /light chain pairs: a heavy chain variable region of SEQ ID NO: 1 or a corresponding heavy chain variable region having at least 90% sequence similarity to the framework region thereof, and a light chain variable region of SEQ ID NO: 2 a corresponding light chain variable region having at least 90% sequence similarity to the framework region thereof (2H3/2K1).
  • a heavy chain variable region of SEQ ID NO: 19 or a corresponding heavy chain variable region having at least 90% sequence similarity to the framework region thereof and a light chain variable region of SEQ ID NO: 20 a corresponding light chain variable region having at least 90% sequence similarity to the framework region thereof (31H1/31K1).
  • sequence similarity should be understood to include at least 95%, and more preferably at least 99% sequence similarity.
  • sequence similarity is based on the extent of identity combined with the extent of conservative changes.
  • sequence“similarity” is considered to be species of the broader term“similarity”.
  • sequence“similarity” is used it embraces sequence“identity” and“conservative changes”.
  • the conservative changes are disregarded and the percent sequence similarity refers to percent sequence identity.
  • the changes in a sequence permitted by the referenced percent sequence identity are all or nearly all conservative changes; that is, when a sequence is 90% identical, the remaining 10% are all or nearly all conservative changes.
  • the term“nearly all” in this context refers to at least 75% of the permitted sequence changes are conservative changes, more preferably at least 85%, still more preferably at least 90%, and most preferably at least 95%.
  • Antibodies for use in the claimed methods may be obtained from a variety of species.
  • the antibodies of the present invention may comprise
  • immunoglobulin sequences which are rabbit, mouse, rat, guinea pig, chicken, goat, sheep, donkey, human, llama or camelid sequences, or combinations of such sequences (so- called chimeric antibodies). Such antibodies may also be monoclonal or polyclonal.
  • Antibodies for use in the present invention may be identified by their performance in immunoassays, and then further characterized by epitope mapping in order to understand the epitopes which are relevant to that performance.
  • Preferred are rabbit antibodies or humanized versions derived from rabbit antibodies.
  • Such antibodies may be conjugated to a signal development element or immobilized on a solid support.
  • such antibodies may be used in a number of competitive and sandwich assay formats.
  • a sandwich assay a first antibody (detectably labeled) and a second antibody (immobilized at a predetermined zone of a test device) form sandwich complexes with CCL14 in the sample at a predetermined zone of a test device.
  • the first and second antibodies can be the same (particularly when polyclonal antibodies are used) or different.
  • the antibodies of the invention may be used in sandwich pairs, or may be used individually with another binding entity which is not a monoclonal antibody such as a polyclonal antibody or an aptamer.
  • test kits for detecting CCL14 in biological samples.
  • a test kit may, for example, comprise a disposable test device configured to generate a detectable signal related to the present or amount of human CCL14 in a biological sample.
  • a test kit may be formulated for performing an assay in a clinical analyzer which does not utilize a disposable test device.
  • the test kit is an in vitro diagnostic.
  • in vitro diagnostic refers to a medical device which is a reagent, reagent product, calibrator, control material, kit, instrument, apparatus, equipment, or system, whether used alone or in combination, intended by the manufacturer to be used in vitro for the examination of specimens, including blood and tissue donations, derived from the human body, solely or principally for the purpose of providing information concerning a physiological or pathological state, or concerning a congenital abnormality, or to determine the safety and compatibility with potential recipients, or to monitor therapeutic measures.
  • the immunoassay is performed in a lateral flow format.
  • Lateral flow tests are a form of immunoassay in which the test sample flows in a chromatographic fashion along a bibulous or non-bibulous porous solid substrate. Lateral flow tests can operate as either competitive or sandwich format assays.
  • Preferred lateral flow devices are disposable, single use test devices. A sample is applied to the test device at an application zone and transits the substrate, where it encounters lines or zones which have been pretreated with an antibody or antigen.
  • the term“test zone” as used herein refers to a discrete location on a lateral flow test strip which is interrogated in order to generate a signal related to the presence or amount of an analyte of interest.
  • the detectable signal may be read visually or obtained by inserting the disposable test device into an analytical instrument such as a reflectometer, a fluorometer, or a transmission photometer.
  • an analytical instrument such as a reflectometer, a fluorometer, or a transmission photometer.
  • Sample may be applied without pretreatment to the application zone, or may be premixed with one or more assay reagents prior to application. In the latter case, the antibody may be provided in a separate container from the disposable test device.
  • An antibody of the present invention may be diffusively immobilized to a surface within a disposable test device, such that the antibody dissolves into a sample when the sample contacts the surface.
  • this diffusively bound antibody may bind to its cognate antigen in the sample, and then be immobilized at a detection zone when the antigen is bound by a second antibody non-diffusively bound at the detection zone.
  • its cognate antigen in the sample may compete for binding to the non-diffusively bound antibody with a labeled antigen provided as an assay reagent.
  • a kit of the invention can further comprise a calibration to relate the detectable signal to a concentration of CCL14.
  • a calibration curve may be provided on an electronic memory device which is read by the analytical instrument which receives the disposable test device, such as a ROM chip, a flash drive, an RFID tag, etc.
  • the calibration curve may be provided on an encoded label which is read optically, such as a 2-D bar code, or transmitted via a network connection. The analytical instrument can then use this calibration curve to relate a detectable signal from an assay into a CCL14 concentration
  • an assay method performed using one or more antibodies of the present invention provides a signal related to the present or amount of human CCL14 in a biological sample, wherein the minimum detectable concentration of CCL14 in the assay method is 10 ng/mL or less, more preferably 1 ng/mL or less, and most preferably 0.1 ng/mL or less.
  • the present invention provides methods for determining the presence or amount of human CCL14 in a biological sample, comprising: performing an immunoassay on the biological sample with a first monoclonal antibody and a second monoclonal antibody which together form sandwich complexes with human CCL14, wherein the immunoassay provides a detectable signal that is related to the presence or amount of human CCL14 in the biological sample bound in the sandwich complexes; and
  • the minimum detectable concentration of CCL14 in the immunoassay is 10 ng/mL or less, more preferably 1 ng/mL or less, and most preferably 0.1 ng/mL or less.
  • the immunoassay is a sandwich immunoassay, in which each of the first and second antibodies are an antibody (which may be an antigen binding fragment) of the present invention.
  • the first antibody in the sandwich pair comprises one the following heavy chain CDR/light chain CDR pairs
  • the second antibody in the sandwich pair comprises a different one the following heavy chain CDR/light chain CDR pairs:
  • a heavy chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 9 and a light chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 10 (12H2/12K1), a heavy chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 11, and a light chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 12 (17H2/17K1),
  • a heavy chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 17, and a light chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 18 (25H2/25K1), or
  • a heavy chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 19, and a light chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 20 (31H1/31K1).
  • the first antibody in the sandwich pair comprises one the following heavy chain CDR/light chain CDR pairs
  • the second antibody in the sandwich pair comprises a different one the following heavy chain /light chain pairs: a heavy chain variable region of SEQ ID NO: 1 or a corresponding heavy chain variable region having at least 90% sequence similarity to the framework region thereof, and a light chain variable region of SEQ ID NO: 2 a corresponding light chain variable region having at least 90% sequence similarity to the framework region thereof (2H3/2K1).
  • a heavy chain variable region of SEQ ID NO: 19 or a corresponding heavy chain variable region having at least 90% sequence similarity to the framework region thereof and a light chain variable region of SEQ ID NO: 20 a corresponding light chain variable region having at least 90% sequence similarity to the framework region thereof (31H1/31K1)
  • Examples of preferred sandwich pairs include 2H3/2K1 paired with
  • the present invention relates to antibodies that bind to epitopes of an antibody of the present invention, or that compete for binding to CCL14 with an antibody of the present invention. As described herein, such antibodies may find use in kits, in antibody pairs, in methods, and in assay devices.
  • a monoclonal antibody of the present invention binds to an epitope on human CCL14 that comprises all or part of the sequence
  • HSVCTNPSDKWVQDYI (SEQ ID NO: 23), CCFTYTTYKIPRQR (SEQ ID NO: 24), DKWVQDYIKDMK (SEQ ID NO: 25), MDYYETNSQCSK (SEQ ID NO: 26), ECCFTYTTYKIPR (SEQ ID NO: 27), TNSQCSKPG (SEQ ID NO: 28), or
  • ETNSQCSKP (SEQ ID NO: 29), and is most preferably a rabbit monoclonal antibody.
  • an antibody of the present invention further comprises a second monoclonal antibody or antigen binding fragment which specifically binds human CCL14 and that binds to an epitope on human CCL14 that comprises all or part of the sequence CCFTYTTYKIPRQR (SEQ ID NO: 24), DKWVQDYIKDMK (SEQ ID NO: 25), MDYYETNSQCSK (SEQ ID NO: 26), ECCFTYTTYKIPR (SEQ ID NO: 27), TNSQCSKPG (SEQ ID NO: 28), or ETNSQCSKP (SEQ ID NO: 29), wherein the monoclonal antibody and the second antibody form sandwich complexes with human CCL14.
  • a second monoclonal antibody or antigen binding fragment which specifically binds human CCL14 and that binds to an epitope on human CCL14 that comprises all or part of the sequence CCFTYTTYKIPRQR (SEQ ID NO: 24), DKWVQDYIKDMK (SEQ ID NO: 25), MDYYETNS
  • Preferred assay methods comprise performing an immunoassay that detects human CCL14.
  • Such immunoassays may comprise contacting said body fluid sample with an antibody that detects the marker, and detecting binding to that antibody.
  • the present invention is generally described in terms of immunoassays, other binding entities (e.g., aptamers) which are not based on an immunoglobulin scaffold may be used in lieu of antibodies in such methods.
  • the body fluid sample is selected from the group consisting of urine, saliva, blood, serum, and plasma, and most preferably urine.
  • FIG. 1 shows a variable region alignment of the protein sequence for 2H3
  • Fig. 2 shows a variable region alignment of the protein sequence for
  • FIG. 3 shows results of sandwich assays using 2H3/2K1, 31H1/31K1,
  • C-C motif chemokine 14 and“CCL14” refer to one or more polypeptides present in a biological sample that are derived from the CCL14 precursor (human precursor: Swiss-Prot Q16627 (SEQ ID NO: 21)).
  • subject refers to a human or non-human organism.
  • methods and compositions described herein are applicable to both human and veterinary disease.
  • a subject is preferably a living organism, the invention described herein may be used in post-mortem analysis as well.
  • Preferred subjects are humans, and most preferably“patients,” which as used herein refers to living humans that are receiving medical care for a disease or condition. This includes persons with no defined illness who are being investigated for signs of pathology.
  • an analyte is measured in a sample.
  • a sample may be obtained from a subject, or may be obtained from biological materials intended to be provided to the subject.
  • a sample may be obtained from a kidney being evaluated for possible transplantation into a subject, and an analyte measurement used to evaluate the kidney for preexisting damage.
  • Preferred samples are body fluid samples.
  • body fluid sample refers to a sample of bodily fluid obtained for the purpose of diagnosis, prognosis, classification or evaluation of a subject of interest, such as a patient or transplant donor. In certain embodiments, such a sample may be obtained for the purpose of determining the outcome of an ongoing condition or the effect of a treatment regimen on a condition.
  • Preferred body fluid samples include blood, serum, plasma, cerebrospinal fluid, urine, saliva, sputum, and pleural effusions.
  • body fluid samples would be more readily analyzed following a fractionation or purification procedure, for example, separation of whole blood into serum or plasma components.
  • diagnosis refers to methods by which the skilled artisan can estimate and/or determine the probability (“a likelihood”) of whether or not a patient is suffering from a given disease or condition.
  • diagnosis includes using the results of an assay, most preferably an immunoassay, for a kidney injury marker of the present invention, optionally together with other clinical characteristics, to arrive at a diagnosis (that is, the occurrence or nonoccurrence) of an acute renal injury or ARF for the subject from which a sample was obtained and assayed. That such a diagnosis is“determined” is not meant to imply that the diagnosis is 100% accurate. Many biomarkers are indicative of multiple conditions.
  • a measured biomarker level on one side of a predetermined diagnostic threshold indicates a greater likelihood of the occurrence of disease in the subject relative to a measured level on the other side of the predetermined diagnostic threshold.
  • a prognostic risk signals a probability (“a likelihood”) that a given course or outcome will occur.
  • a level or a change in level of a prognostic indicator which in turn is associated with an increased probability of morbidity (e.g., worsening renal function, future ARF, or death) is referred to as being“indicative of an increased likelihood” of an adverse outcome in a patient.
  • downstream region refers to which receives fluid flow after that fluid has already reached the first region.
  • sample application region refers to a portion of an assay device into which a fluid sample of interest is introduced for purposes of determining a component thereof.
  • immunoassays involve contacting a sample containing or suspected of containing a biomarker of interest with at least one antibody that specifically binds to the biomarker. A signal is then generated indicative of the presence or amount of complexes formed by the binding of polypeptides in the sample to the antibody. The signal is then related to the presence or amount of the biomarker in the sample.
  • Numerous methods and devices are well known to the skilled artisan for the detection and analysis of biomarkers. See, e.g., U.S. Patents 6,143,576; 6,113,855; 6,019,944; 5,985,579;
  • ELECSYS®, Dade Behring STRATUS® systems are among the immunoassay analyzers that are capable of performing immunoassays. But any suitable immunoassay may be utilized, for example, enzyme-linked immunoassays (ELISA), radioimmunoassays (RIAs), competitive binding assays, and the like.
  • ELISA enzyme-linked immunoassays
  • RIAs radioimmunoassays
  • competitive binding assays and the like.
  • a filter element can comprise one or more chemical substances to facilitate separation of red blood cells from blood plasma.
  • Measures of test accuracy may be obtained as described in Fischer et ah, Intensive Care Med. 29: 1043-51, 2003, and used to determine the effectiveness of a given biomarker. These measures include sensitivity and specificity, predictive values, likelihood ratios, diagnostic odds ratios, and ROC curve areas.
  • the area under the curve (“AUC”) of a ROC plot is equal to the probability that a classifier will rank a randomly chosen positive instance higher than a randomly chosen negative one.
  • the area under the ROC curve may be thought of as equivalent to the Mann-Whitney U test, which tests for the median difference between scores obtained in the two groups considered if the groups are of continuous data, or to the Wilcoxon test of ranks.
  • Antibodies of the invention may be further characterized by epitope mapping, so that antibodies and epitopes may be selected that have the greatest clinical utility in the immunoassays described herein.
  • epitope mapping refers to an antigenic determinant capable of specific binding to an antibody. Epitopes usually consist of chemically active surface groupings of molecules such as amino acids or sugar side chains and usually have specific three dimensional structural characteristics, as well as specific charge
  • the humanized antibody optimally also will comprise at least a portion of an immunoglobulin constant region, typically that of a human immunoglobulin, and thus will typically comprise a human Fc region. Humanized antibodies can also be generated using mice with a genetically engineered immune system.
  • Adjuvants that can be used in the methods of antibody generation include, but are not limited to, protein adjuvants; bacterial adjuvants, e.g., whole bacteria (BCG, Corynebacterium parvum, Salmonella minnesota) and bacterial components including cell wall skeleton, trehalose dimycolate, monophosphoryl lipid A, methanol extractable residue (MER) of tubercle bacillus, complete or incomplete Freund's adjuvant; viral adjuvants; chemical adjuvants, e.g., aluminum hydroxide, iodoacetate and cholesteryl hemisuccinateor; naked DNA adjuvants.
  • protein adjuvants e.g., whole bacteria (BCG, Corynebacterium parvum, Salmonella minnesota) and bacterial components including cell wall skeleton, trehalose dimycolate, monophosphoryl lipid A, methanol extractable residue (MER) of tubercle bacillus, complete or incomplete
  • Anti-CCLl4 antibodies can also be synthesized by any of the methods set forth in U.S. Patent No. 6,331,415.
  • Pichia trehalophila Pichia koclamae, Pichia membranaefaciens, Pichia minuta (Ogataea minuta, Pichia lindneri), Pichia opuntiae, Pichia thermotolerans, Pichia salictaria,
  • Saccharomyces cerevisiae Saccharomyces sp., Hansenula polymorpha, Kluyveromyces sp., Kluyveromyces lactis, Candida albicans, Aspergillus nidulans, Aspergillus niger, Aspergillus oryzae, Trichoderma reesei, Chrysosporium lucknowense, Fusarium sp., Fusarium gramineum, Fusarium venenatum, Physcomitrella patens and Neurospora crassa.
  • a number of selection systems may be used, including but not limited to the herpes simplex virus thymidine kinase (Wigler et al. (1977)“Transfer Of Purified Herpes Virus Thymidine Kinase Gene To Cultured Mouse Cells,” Cell 11:223-232),
  • the expression levels of an antibody of the invention can be increased by vector amplification (for a review, see Bebbington and Hentschel,“The Use Of Vectors Based On Gene Amplification For The Expression Of Cloned Genes In Mammaian Cells,” in DNA CLONING, Vol. 3. (Academic Press, New York, 1987)).
  • vector amplification for a review, see Bebbington and Hentschel,“The Use Of Vectors Based On Gene Amplification For The Expression Of Cloned Genes In Mammaian Cells,” in DNA CLONING, Vol. 3. (Academic Press, New York, 1987)
  • increase in the level of inhibitor present in culture of host cell will increase the number of copies of the marker gene. Since the amplified region is associated with the nucleotide sequence of the antibody, production of the antibody will also increase (Crouse et al. (1983)“Expression And Amplification Of Engineered Mouse Dihydrofolate Reductase Minigenes,” Mol.
  • the host cell may be co-transfected with two expression vectors of the invention, the first vector encoding a heavy chain derived polypeptide and the second vector encoding a light chain derived polypeptide.
  • the two vectors may contain identical selectable markers which enable equal expression of heavy and light chain polypeptides.
  • a single vector may be used which encodes both heavy and light chain polypeptides. In such situations, the light chain should be placed before the heavy chain to avoid an excess of toxic free heavy chain (Proudfoot (1986)“Expression And
  • glycoproteins produced in a particular cell line or transgenic animal will have a glycosylation pattern that is characteristic for glycoproteins produced in the cell line or transgenic animal. Therefore, the particular glycosylation pattern of an antibody will depend on the particular cell line or transgenic animal used to produce the antibody.
  • all antibodies encoded by the nucleic acid molecules provided herein, or comprising the amino acid sequences provided herein comprise the instant invention, independent of the glycosylation pattern the antibodies may have.
  • antibodies with a glycosylation pattern comprising only non-fucosylated N- glycans may be advantageous, because these antibodies have been shown to typically exhibit more potent efficacy than their fucosylated counterparts both in vitro and in vivo (See for example, Shinkawa et al., J. Biol. Chem. 278: 3466-3473 (2003); ET.S. Patent Nos. 6,946,292 and 7,214,775). These antibodies with non-fucosylated /V-glycans are not likely to be immunogenic because their carbohydrate structures are a normal component of the population that exists in human serum IgG.
  • the antibody of the invention may be purified by any method known in the art for purification of an antibody, for example, by chromatography (e.g., ion exchange, affinity, particularly by affinity for the specific antigen after Protein A, and sizing column chromatography), centrifugation, differential solubility, or by any other standard technique for the purification of proteins.
  • chromatography e.g., ion exchange, affinity, particularly by affinity for the specific antigen after Protein A, and sizing column chromatography
  • centrifugation e.g., centrifugation, differential solubility, or by any other standard technique for the purification of proteins.
  • the anti-CCLl4 antibodies and antigen-binding fragments thereof disclosed herein may also be conjugated to a chemical moiety.
  • the chemical moiety may be, inter alia, a polymer, a radionuclide or a cytotoxic factor.
  • the chemical moiety is a polymer which increases the half-life of the antibody or fragment in the body of a subject.
  • Suitable polymers include, but are not limited to, hydrophilic polymers which include but are not limited to polyethylene glycol (PEG) (e.g ., PEG with a molecular weight of 2kDa, 5 kDa, 10 kDa, l2kDa, 20 kDa, 30kDa or 40kDa), dextran and monomethoxypolyethylene glycol (mPEG).
  • PEG polyethylene glycol
  • mPEG monomethoxypolyethylene glycol
  • polyethylene glycol is intended to encompass any of the forms of PEG that have been used to derivatize other proteins, such as mono (C1-C10) alkoxy- or aryloxy-polyethylene glycol or polyethylene glycol-maleimide.
  • the antibody or fragment to be PEGylated is an aglycosylated antibody or fragment. Methods for PEGylating proteins are known in the art and can be applied to the antibodies of the invention. See, e.g., EP 0 154 316 and EP 0 401 384.
  • the antibodies and antigen-binding fragments disclosed herein may also be conjugated with fluorescent or chemilluminescent labels, including fluorophores such as rare earth chelates, fluorescein and its derivatives, rhodamine and its derivatives, isothiocyanate, phycoerythrin, phycocyanin, allophycocyanin, o-phthaladehyde, fluorescamine, 152 Eu, dansyl, umbelliferone, luciferin, luminal label, isoluminal label, an aromatic acridinium ester label, an imidazole label, an acridimium salt label, an oxalate ester label, an aequorin label, 2,3-dihydrophthalazinediones, biotin/avidin, spin labels and stable free radicals.
  • fluorophores such as rare earth chelates, fluorescein and its derivatives, rhodamine and its derivatives, isothiocyanate,
  • the antibodies and antigen-binding fragments thereof of the invention may also be conjugated to a cytotoxic factor such as diptheria toxin, Pseudomonas aeruginosa exotoxin A chain , ricin A chain, abrin A chain, modeccin A chain, alpha-sarcin, Aleurites fordii proteins and compounds (e.g., fatty acids), dianthin proteins, Phytoiacca americana proteins PAPI, PAPII, and PAP-S, momordica charantia inhibitor, curcin, crotin, saponaria officinalis inhibitor, mitogellin, restrictocin, phenomycin, and enomycin.
  • a cytotoxic factor such as diptheria toxin, Pseudomonas aeruginosa exotoxin A chain , ricin A chain, abrin A chain, modeccin A chain, alpha-sarcin, Aleurites fordii proteins and
  • any method known in the art for conjugating the antibodies and antigen binding fragments thereof of the invention to the various moieties may be employed, including those methods described by Hunter, et al., (1962) Nature 144:945; David, el al., (1974) Biochemistry 13:1014; Pain, et al., (1981) J. Immunol. Meth. 40:219; and Nygren, J., (1982) Histochem. and Cytochem. 30:407. Methods for conjugating antibodies and fragments are conventional and very well known in the art.
  • compositions of the anti-CCLl4 antibodies and antigen-binding fragments of the invention e.g., antibody 131 A and humanized versions thereof
  • the antibody or antigen-binding fragment thereof is admixed with a pharmaceutically acceptable carrier or excipient. See, e.g., Remington's
  • Formulations of therapeutic and diagnostic agents may be prepared by mixing with acceptable carriers, excipients, or stabilizers in the form of, e.g., lyophilized powders, slurries, aqueous solutions or suspensions (see, e.g., Hardman, et al. (2001) Goodman and Gilman’s The Pharmacological Basis of Therapeutics, McGraw-Hill, New York, NY; Gennaro (2000) Remington: The Science and Practice of Pharmacy,
  • the mode of administration can vary. Routes of administration include oral, rectal, transmucosal, intestinal, parenteral; intramuscular, subcutaneous, intradermal, intramedullary, intrathecal, direct intraventricular, intravenous, intraperitoneal, intranasal, intraocular, inhalation, insufflation, topical, cutaneous, transdermal, or intra-arterial.
  • the anti-CCLl4 antibodies or antigen-binding fragments thereof of the invention can be administered by an invasive route such as by injection.
  • an anti- CCL14 antibody or antigen-binding fragment thereof, or pharmaceutical composition thereof is administered intravenously, subcutaneously, intramuscularly, intraarterially, intratumorally, or by inhalation, aerosol delivery.
  • Administration by non-invasive routes e.g ., orally; for example, in a pill, capsule or tablet) is also within the scope of the present invention.
  • the present invention provides a vessel (e.g., a plastic or glass vial, e.g., with a cap or a chromatography column, hollow bore needle or a syringe cylinder) comprising any of the antibodies or antigen-binding fragments of the invention (e.g., antibody 131 A and humanized versions thereof) or a pharmaceutical composition thereof.
  • a vessel e.g., a plastic or glass vial, e.g., with a cap or a chromatography column, hollow bore needle or a syringe cylinder
  • an injection device comprising any of the antibodies or antigen binding fragments of the invention (e.g., antibody 131 A and humanized versions thereof) or a pharmaceutical composition thereof.
  • An injection device is a device that introduces a substance into the body of a patient via a parenteral route, e.g., intramuscular, subcutaneous or intravenous.
  • an injection device may be a syringe (e.g., pre-filled with the pharmaceutical composition, such as an auto -injector) which, for example, includes a cylinder or barrel for holding fluid to be injected (e.g., antibody or fragment or a pharmaceutical composition thereof), a needle for piecing skin and/or blood vessels for injection of the fluid; and a plunger for pushing the fluid out of the cylinder and through the needle bore.
  • an injection device that comprises an antibody or antigen-binding fragment thereof of the present invention or a pharmaceutical composition thereof is an intravenous (IV) injection device.
  • Such a device includes the antibody or fragment or a pharmaceutical composition thereof in a cannula or trocar/needle which may be attached to a tube which may be attached to a bag or reservoir for holding fluid (e.g., saline; or lactated ringer solution comprising NaCl, sodium lactate, KC1, CaCl 2 and optionally including glucose) introduced into the body of the patient through the cannula or trocar/needle.
  • fluid e.g., saline; or lactated ringer solution comprising NaCl, sodium lactate, KC1, CaCl 2 and optionally including glucose
  • the antibody or fragment or a pharmaceutical composition thereof may, in an embodiment of the invention, be introduced into the device once the trocar and cannula are inserted into the vein of a subject and the trocar is removed from the inserted cannula.
  • the IV device may, for example, be inserted into a peripheral vein (e.g., in the hand or arm); the superior vena cava or inferior vena cava, or within the right atrium of the heart (e.g., a central IV); or into a subclavian, internal jugular, or a femoral vein and, for example, advanced toward the heart until it reaches the superior vena cava or right atrium (e.g., a central venous line).
  • an injection device is an autoinjector; a jet injector or an external infusion pump.
  • a jet injector uses a high-pressure narrow jet of liquid which penetrate the epidermis to introduce the antibody or fragment or a pharmaceutical composition thereof to a patient’s body.
  • External infusion pumps are medical devices that deliver the antibody or fragment or a pharmaceutical composition thereof into a patient’s body in controlled amounts. External infusion pumps may be powered electrically or mechanically.
  • Different pumps operate in different ways, for example, a syringe pump holds fluid in the reservoir of a syringe, and a moveable piston controls fluid delivery, an elastomeric pump holds fluid in a stretchable balloon reservoir, and pressure from the elastic walls of the balloon drives fluid delivery.
  • a set of rollers pinches down on a length of flexible tubing, pushing fluid forward.
  • fluids can be delivered from multiple reservoirs at multiple rates.
  • compositions disclosed herein may also be administered with a needleless hypodermic injection device; such as the devices disclosed in U.S. Patent Nos. 6,620,135; 6,096,002; 5,399,163; 5,383,851; 5,312,335; 5,064,413;
  • compositions disclosed herein may also be administered by infusion.
  • implants and modules for administering the pharmaceutical compositions include those disclosed in: U.S. Patent No. 4,487,603, which discloses an implantable micro infusion pump for dispensing medication at a controlled rate; U.S. Patent No. 4,447,233, which discloses a medication infusion pump for delivering medication at a precise infusion rate; U.S. Patent No. 4,447,224, which discloses a variable flow implantable infusion apparatus for continuous drug delivery; U.S. Patent. No. 4,439,196, which discloses an osmotic drug delivery system having multi-chamber compartments. Many other such implants, delivery systems, and modules are well known to those skilled in the art and those comprising the pharmaceutical compositions of the present invention are within the scope of the present invention.
  • a targeted drug delivery system for example, in a liposome coated with a tissue- specific antibody, targeting, for example, a tumor e.g., a CCL14 + tumor, e.g., characterized by immunopathology.
  • the liposomes will be targeted to and taken up selectively by the afflicted tissue.
  • Such methods and liposomes are part of the present invention.
  • Determination of the appropriate dose is made by the clinician, e.g., using parameters or factors known or suspected in the art to affect treatment. Generally, the dose begins with an amount somewhat less than the optimum dose and it is increased by small increments thereafter until the desired or optimum effect is achieved relative to any negative side effects.
  • Important diagnostic measures include those of symptoms of, e.g., the inflammation or level of inflammatory cytokines produced. In general, it is desirable that a biologic that will be used is derived from the same species as the animal targeted for treatment, thereby minimizing any immune response to the reagent. In the case of human subjects, for example, humanized and fully human antibodies may be desirable.
  • Antibodies or antigen-binding fragments thereof disclosed herein may be provided by continuous infusion, or by doses administered, e.g., daily, 1-7 times per week, weekly, bi-weekly, monthly, bimonthly, quarterly, semiannually, annually etc.
  • Doses may be provided, e.g., intravenously, subcutaneously, topically, orally, nasally, rectally, intramuscular, intracerebrally, intraspinally, or by inhalation.
  • a total weekly dose is generally at least 0.05 pg/kg body weight, more generally at least 0.2 pg/kg, 0.5 pg/kg, 1 pg/kg, 10 pg/kg, 100 pg/kg, 0.25 mg/kg, 1.0 mg/kg, 2.0 mg/kg, 5.0 mg/ml, 10 mg/kg, 25 mg/kg, 50 mg/kg or more (see, e.g., Yang, el al. (2003) New Engl. J. Med. 349:427-434; Herold, el al. (2002) New Engl. J. Med. 346:1692-1698; Liu, et al. (1999) J. Neurol. Neurosurg. Psych.
  • an effective dose refers to combined amounts of the active ingredients that result in the therapeutic effect, whether administered in combination, serially or simultaneously.
  • An effective amount of a therapeutic will result in an improvement of a diagnostic measure or parameter by at least 10%; usually by at least 20%; preferably at least about 30%; more preferably at least 40%, and most preferably by at least 50%.
  • An effective amount can also result in an improvement in a subjective measure in cases where subjective measures are used to assess disease severity.
  • the anti-CCLl4 antibodies and antigen-binding fragments thereof disclosed herein may be used as affinity purification agents.
  • the anti-CCLl4 antibodies and antigen-binding fragments thereof are immobilized on a solid phase such a Sephadex, glass or agarose resin or filter paper, using methods well known in the art.
  • the immobilized antibody or fragment is contacted with a sample containing the CCL14 protein (or a fragment thereof) to be purified, and thereafter the support is washed with a suitable solvent that will remove substantially all the material in the sample except the CCL14 protein, which is bound to the immobilized antibody or fragment. Finally, the support is washed with a solvent which elutes the bound CCL14 (e.g., protein A).
  • a solvent which elutes the bound CCL14 e.g., protein A
  • antigens for generating secondary antibodies which are useful for example for performing Western blots and other immunoassays discussed herein.
  • Anti-CCLl4 antibodies e.g., humanized antibodies
  • antigen-binding fragments thereof may also be useful in diagnostic assays for CCL14 protein, e.g., detecting its expression in specific cells, tissues, or serum, e.g., tumor cells such as melanoma cells. Such diagnostic methods may be useful in various disease diagnoses.
  • the present invention includes ELISA assays (enzyme-linked immunosorbent assay) incorporating the use of an anti-CCLl4 antibody or antigen-binding fragment thereof disclosed herein (e.g., antibody 131A or a humanized version thereof).
  • a substrate e.g., surface of a microtiter plate well, e.g., a plastic plate
  • a substrate e.g., surface of a microtiter plate well, e.g., a plastic plate
  • detectably labeled antibodies e.g., enzyme-linked antibodies which are also specific to the CCL14 antigen
  • Detection of the label associated with the substrate indicates the presence of the CCL14 protein.
  • the labeled antibody or antigen-binding fragment thereof is labeled with peroxidase which react with ABTS (e.g., 2,2'-azino-bis(3- ethylbenzthiazoline-6-sulphonic acid)) or 3,3’,5,5’-Tetramethylbenzidine to produce a color change which is detectable.
  • ABTS e.g., 2,2'-azino-bis(3- ethylbenzthiazoline-6-sulphonic acid)
  • 3,3’,5,5’-Tetramethylbenzidine e.g., 2,2'-azino-bis(3- ethylbenzthiazoline-6-sulphonic acid)
  • 3,3’,5,5’-Tetramethylbenzidine e.g., 2,2'-azino-bis(3- ethylbenzthiazoline-6-sulphonic acid)
  • 3,3’,5,5’-Tetramethylbenzidine e.g., 2,2'
  • An anti-CCLl4 antibody or antigen-binding fragment thereof of the invention may be used in a Western blot or immune-protein blot procedure.
  • Such a procedure forms part of the present invention and includes e.g., optionally transferring proteins from a sample to be tested for the presence of CCL14 (e.g., from a PAGE or SDS-PAGE electrophoretic separation of the proteins in the sample) onto a membrane or other solid substrate using a method known in the art (e.g., semi-dry blotting or tank blotting);
  • Such a membrane may take the form of a nitrocellulose or vinyl-based (e.g., polyvinylidene fluoride (PVDF)) membrane to which the proteins to be tested for the presence of CCL14 in a non-denaturing PAGE (polyacrylamide gel electrophoresis) gel or SDS-PAGE (sodium dodecyl sulfate polyacrylamide gel electrophoresis) gel have been transferred (e.g., following electrophoretic separation in the gel).
  • PVDF polyvinylidene fluoride
  • SDS-PAGE sodium dodecyl sulfate polyacrylamide gel electrophoresis
  • Detection of the bound antibody or fragment indicates that the CCL14 protein is present on the membrane or substrate and in the sample. Detection of the bound antibody or fragment may be by binding the antibody or fragment with a secondary antibody (an anti-immunoglobulin antibody) which is detectably labeled and, then, detecting the presence of the secondary antibody.
  • a secondary antibody an anti-immunoglobulin antibody
  • the anti-CCLl4 antibodies and antigen-binding fragments thereof disclosed herein may also be used for immunohistochemistry.
  • Such a method forms part of the present invention and comprises, e.g., contacting a cell (e.g., a tumor cell such as a melanoma cell) to be tested for the presence of CCL14 protein with an anti-CCLl4 antibody or antigen-binding fragment thereof of the invention; and detecting the antibody or fragment on or in the cell.
  • the antibody or fragment itself is detectably labeled, it can be detected directly. Alternatively, the antibody or fragment may be bound by a detectably labeled secondary antibody which is detected.
  • Certain anti-CCLl4 antibodies and antigen-binding fragments thereof disclosed herein may also be used for in vivo tumor imaging.
  • Such a method may include injection of a radiolabeled anti-CCLl4 antibody or antigen-binding fragment thereof into the body of a patient to be tested for the presence of a tumor associated with CCL14 expression (e.g ., which expresses CCL14, for example, on the tumor cell surface) followed by nuclear imaging of the body of the patient to detect the presence of the labeled antibody or fragment e.g., at loci comprising a high concentration of the antibody or fragment which are bound to the tumor. The detection of the loci indicates the presence of the CCLl4 + tumor and tumor cells.
  • Imaging techniques include SPECT imaging (single photon emission computed tomography) or PET imaging (positron emission tomography).
  • Labels include e.g., iodine- 123 ( 123 I) and technetium-99m ( 99m Tc), e.g., in conjunction with SPECT imaging or U C, 13 N, 15 0 or 18 F, e.g., in conjunction with PET imaging or Indium-l l l (See e.g., Gordon et al., (2005) International Rev. Neurobiol. 67:385-440).
  • the antibody or antigen binding fragment thereof is admixed with a pharmaceutically acceptable carrier or excipient. See, e.g., Remington's Pharmaceutical Sciences and U.S. Pharmacopeia:
  • Formulations of therapeutic and diagnostic agents may be prepared by mixing with acceptable carriers, excipients, or stabilizers in the form of, e.g., lyophilized powders, slurries, aqueous solutions or suspensions (see, e.g., Hardman, et al. (2001) Goodman and Gilman’s The Pharmacological Basis of Therapeutics, McGraw-Hill, New York, NY; Gennaro (2000) Remington: The Science and Practice of Pharmacy,
  • Toxicity and therapeutic efficacy of the antibodies of the invention, administered alone or in combination with another therapeutic agent can be determined by standard pharmaceutical procedures in cell cultures or experimental animals, e.g., for determining the LD50 (the dose lethal to 50% of the population) and the ED50 (the dose therapeutically effective in 50% of the population).
  • the dose ratio between toxic and therapeutic effects is the therapeutic index (LD50/ ED50).
  • the data obtained from these cell culture assays and animal studies can be used in formulating a range of dosage for use in human.
  • the dosage of such compounds lies preferably within a range of circulating concentrations that include the ED50 with little or no toxicity.
  • the dosage may vary within this range depending upon the dosage form employed and the route of
  • a further therapeutic agent that is administered to a subject in association with an anti-CCLl4 antibody or antigen-binding fragment thereof of the invention in accordance with the Physicians' Desk Reference 2003 (Thomson Healthcare; 57th edition (November 1, 2002)).
  • the mode of administration can vary. Routes of administration include oral, rectal, transmucosal, intestinal, parenteral; intramuscular, subcutaneous, intradermal, intramedullary, intrathecal, direct intraventricular, intravenous, intraperitoneal, intranasal, intraocular, inhalation, insufflation, topical, cutaneous, transdermal, intratumoral, or intra arterial.
  • the anti-CCLl4 antibodies or antigen-binding fragments thereof of the invention can be administered by an invasive route such as by injection.
  • an anti-CCLl4 antibody or antigen binding fragment thereof, or pharmaceutical composition thereof is administered intravenously, subcutaneously, intramuscularly, intraarterially, intratumorally, or by inhalation, aerosol delivery.
  • Administration by non-invasive routes e.g., orally; for example, in a pill, capsule or tablet) is also within the scope of the present invention.
  • the present invention provides a vessel (e.g., a plastic or glass vial, e.g., with a cap or a chromatography column, hollow bore needle or a syringe cylinder) comprising any of the antibodies or antigen-binding fragments of the invention or a pharmaceutical composition thereof.
  • a vessel e.g., a plastic or glass vial, e.g., with a cap or a chromatography column, hollow bore needle or a syringe cylinder
  • an injection device comprising any of the antibodies or antigen-binding fragments of the invention or a pharmaceutical composition thereof.
  • An injection device is a device that introduces a substance into the body of a patient via a parenteral route, e.g., intramuscular, subcutaneous or intravenous.
  • an injection device may be a syringe (e.g., pre-filled with the
  • an injection device that comprises an antibody or antigen-binding fragment thereof of the present invention or a pharmaceutical composition thereof is an intravenous (IV) injection device.
  • IV intravenous
  • a device includes the antibody or fragment or a pharmaceutical composition thereof in a cannula or
  • trocar/needle which may be attached to a tube which may be attached to a bag or reservoir for holding fluid (e.g., saline; or lactated ringer solution comprising NaCl, sodium lactate, KC1, CaCl 2 and optionally including glucose) introduced into the body of the patient through the cannula or trocar/needle.
  • fluid e.g., saline; or lactated ringer solution comprising NaCl, sodium lactate, KC1, CaCl 2 and optionally including glucose
  • the antibody or fragment or a pharmaceutical composition thereof may, in an embodiment of the invention, be introduced into the device once the trocar and cannula are inserted into the vein of a subject and the trocar is removed from the inserted cannula.
  • the IV device may, for example, be inserted into a peripheral vein (e.g., in the hand or arm); the superior vena cava or inferior vena cava, or within the right atrium of the heart (e.g., a central IV); or into a subclavian, internal jugular, or a femoral vein and, for example, advanced toward the heart until it reaches the superior vena cava or right atrium (e.g., a central venous line).
  • an injection device is an autoinjector; a jet injector or an external infusion pump.
  • a jet injector uses a high-pressure narrow jet of liquid which penetrate the epidermis to introduce the antibody or fragment or a pharmaceutical composition thereof to a patient’s body.
  • External infusion pumps are medical devices that deliver the antibody or fragment or a pharmaceutical composition thereof into a patient’s body in controlled amounts. External infusion pumps may be powered electrically or mechanically.
  • Different pumps operate in different ways, for example, a syringe pump holds fluid in the reservoir of a syringe, and a moveable piston controls fluid delivery, an elastomeric pump holds fluid in a stretchable balloon reservoir, and pressure from the elastic walls of the balloon drives fluid delivery.
  • a set of rollers pinches down on a length of flexible tubing, pushing fluid forward.
  • fluids can be delivered from multiple reservoirs at multiple rates.
  • compositions disclosed herein may also be administered with a needleless hypodermic injection device; such as the devices disclosed in U.S. Patent Nos. 6,620,135; 6,096,002; 5,399,163; 5,383,851; 5,312,335; 5,064,413;
  • compositions disclosed herein may also be administered by infusion.
  • implants and modules for administering the pharmaceutical compositions include those disclosed in: U.S. Patent No. 4,487,603, which discloses an implantable micro infusion pump for dispensing medication at a controlled rate; U.S. Patent No. 4,447,233, which discloses a medication infusion pump for delivering medication at a precise infusion rate; U.S. Patent No. 4,447,224, which discloses a variable flow implantable infusion apparatus for continuous drug delivery; U.S. Patent. No. 4,439,196, which discloses an osmotic drug delivery system having multi-chamber compartments. Many other such implants, delivery systems, and modules are well known to those skilled in the art and those comprising the pharmaceutical compositions of the present invention are within the scope of the present invention.
  • a tumor e.g., a CCL14 + tumor, e.g., characterized by immunopathology.
  • the liposomes will be targeted to and taken up selectively by the afflicted tissue.
  • Such methods and liposomes are part of the present invention.
  • the administration regimen depends on several factors, including the serum or tissue turnover rate of the therapeutic antibody or antigen-binding fragment, the level of symptoms, the immunogenicity of the therapeutic antibody, and the accessibility of the target cells in the biological matrix.
  • the administration regimen delivers sufficient therapeutic antibody or fragment to effect improvement in the target disease state, while simultaneously minimizing undesired side effects.
  • the amount of biologic delivered depends in part on the particular therapeutic antibody and the severity of the condition being treated. Guidance in selecting appropriate doses of therapeutic antibodies or fragments is available (see, e.g., Wawrzynczak (1996) Antibody Therapy , Bios Scientific Pub.
  • Determination of the appropriate dose is made by the clinician, e.g., using parameters or factors known or suspected in the art to affect treatment. Generally, the dose begins with an amount somewhat less than the optimum dose and it is increased by small increments thereafter until the desired or optimum effect is achieved relative to any negative side effects.
  • Important diagnostic measures include those of symptoms of, e.g., the inflammation or level of inflammatory cytokines produced.
  • a biologic that will be used is derived from the same species as the animal targeted for treatment, thereby minimizing any immune response to the reagent.
  • humanized and fully human antibodies are may be desirable.
  • Antibodies or antigen-binding fragments thereof disclosed herein may be provided by continuous infusion, or by doses administered, e.g., daily, 1-7 times per week, weekly, bi-weekly, monthly, bimonthly, quarterly, semiannually, annually etc.
  • Doses may be provided, e.g., intravenously, subcutaneously, topically, orally, nasally, rectally, intramuscular, intracerebrally, intraspinally, or by inhalation.
  • a total weekly dose is generally at least 0.05 pg/kg body weight, more generally at least 0.2 pg/kg, 0.5 pg/kg, 1 pg/kg, 10 pg/kg, 100 pg/kg, 0.25 mg/kg, 1.0 mg/kg, 2.0 mg/kg, 5.0 mg/ml, 10 mg/kg, 25 mg/kg, 50 mg/kg or more (see, e.g., Yang, et al. (2003) New Engl. J. Med. 349:427-434; Herold, et al. (2002) New Engl. J. Med. 346:1692-1698; Liu, et al. (1999) J. Neurol. Neurosurg. Psych.
  • Doses may also be provided to achieve a pre-determined target concentration of anti-CCLl4 antibody in the subject’s serum, such as 0.1, 0.3, 1, 3, 10,
  • An anti-CCLl4 antibody of the present invention is administered, e.g., subcutaneously or intravenously, on a weekly, biweekly, "every 4 weeks,” monthly, bimonthly, or quarterly basis at 10, 20, 50, 80, 100, 200, 500, 1000 or 2500 mg/subject.
  • an effective amount refers to an amount of an anti- CCL14 or antigen-binding fragment thereof of the invention that, when administered alone or in combination with an additional therapeutic agent to a cell, tissue, or subject, is effective to cause a measurable improvement in one or more symptoms of disease, for example cancer or the progression of cancer.
  • An effective dose further refers to that amount of the antibody or fragment sufficient to result in at least partial amelioration of symptoms, e.g., tumor shrinkage or elimination, lack of tumor growth, increased survival time.
  • an effective dose refers to that ingredient alone.
  • an effective dose refers to combined amounts of the active ingredients that result in the therapeutic effect, whether administered in combination, serially or simultaneously.
  • An effective amount of a therapeutic will result in an improvement of a diagnostic measure or parameter by at least 10%; usually by at least 20%; preferably at least about 30%; more preferably at least 40%, and most preferably by at least 50%.
  • An effective amount can also result in an improvement in a subjective measure in cases where subjective measures are used to assess disease severity.
  • kits comprising one or more components that include, but are not limited to, an anti-CCLl4 antibody or antigen-binding fragment, as discussed herein in association with one or more additional components including, but not limited to a pharmaceutically acceptable carrier and/or a therapeutic agent, as discussed herein.
  • the antibody or fragment and/or the therapeutic agent can be formulated as a pure
  • compositions or in combination with a pharmaceutically acceptable carrier, in a pharmaceutical composition are provided.
  • the kit includes an anti-CCLl4 antibody or antigen binding fragment thereof of the invention or a pharmaceutical composition thereof in one container (e.g., in a sterile glass or plastic vial) and a pharmaceutical composition thereof and/or a therapeutic agent in another container (e.g., in a sterile glass or plastic vial).
  • the kit comprises a combination of the invention, including an anti-CCLl4 antibody or antigen-binding fragment thereof of the invention along with a pharmaceutically acceptable carrier, optionally in combination with one or more therapeutic agents formulated together, optionally, in a pharmaceutical composition, in a single, common container.
  • the kit can include a device for performing such administration.
  • the kit can include one or more hypodermic needles or other injection devices as discussed above.
  • the kit can include a package insert including information concerning the pharmaceutical compositions and dosage forms in the kit. Generally, such information aids patients and physicians in using the enclosed pharmaceutical compositions and dosage forms effectively and safely. For example, the following information regarding a combination of the invention may be supplied in the insert: pharmacokinetics,
  • an anti-CCLl4 antibody or antigen-binding fragment thereof of the invention can be provided in a kit, i.e., a packaged combination of reagents in predetermined amounts with instructions for performing the diagnostic or detection assay.
  • the kit will include substrates and cofactors required by the enzyme (e.g., a substrate precursor which provides the detectable chromophore or fluorophore).
  • substrates and cofactors required by the enzyme e.g., a substrate precursor which provides the detectable chromophore or fluorophore.
  • other additives may be included such as stabilizers, buffers (e.g., a block buffer or lysis buffer) and the like.
  • the relative amounts of the various reagents may be varied widely to provide for
  • the reagents may be provided as dry powders, usually lyophilized, including excipients which on dissolution will provide a reagent solution having the appropriate concentration.
  • diagnostic or detection reagents and kits comprising one or more such reagents for use in a variety of detection assays, including for example, immunoassays such as ELISA (sandwich-type or competitive format).
  • the kit's components may be pre-attached to a solid support, or may be applied to the surface of a solid support when the kit is used.
  • the signal generating means may come pre- associated with an antibody or fragment of the invention or may require combination with one or more components, e.g., buffers, antibody-enzyme conjugates, enzyme substrates, or the like, prior to use.
  • Kits may also include additional reagents, e.g., blocking reagents for reducing nonspecific binding to the solid phase surface, washing reagents, enzyme substrates, and the like.
  • the solid phase surface may be in the form of a tube, a bead, a microtiter plate, a microsphere, or other materials suitable for immobilizing proteins, peptides, or polypeptides.
  • kits may comprise any of the capture agents and detection reagents described herein.
  • the kit may also comprise instructions for carrying out the methods of the invention.
  • kits comprising an anti-CCLl4 antibody (e.g., humanized antibody) or antigen-binding fragment thereof packaged in a container, such as a vial or bottle, and further comprising a label attached to or packaged with the container, the label describing the contents of the container and providing indications and/or instructions regarding use of the contents of the container to treat one or more disease states as described herein.
  • a container such as a vial or bottle
  • the kit is for treating cancer and comprises an anti-CCLl4 antibody (e.g., humanized antibody) or antigen-binding fragment thereof and a further therapeutic agent or a vaccine.
  • the kit may optionally further include a syringe for parenteral, e.g., intravenous, administration.
  • the kit comprises an anti- CCL14 antibody (e.g., humanized antibody) or antigen-binding fragment thereof and a label attached to or packaged with the container describing use of the antibody or fragment with the vaccine or further therapeutic agent.
  • the kit comprises the vaccine or further therapeutic agent and a label attached to or packaged with the container describing use of the vaccine or further therapeutic agent with the anti- CCL14 antibody or fragment.
  • an anti-CCLl4 antibody and vaccine or further therapeutic agent are in separate vials or are combined together in the same pharmaceutical composition.
  • the therapeutic and detection kits disclosed herein may also be prepared that comprise at least one of the antibody, peptide, antigen-binding fragment, or
  • kits for use in such kits may typically comprise at least one vial, test tube, flask, bottle, syringe or other suitable container, into which one or more of the detection and/or therapeutic composition(s) may be placed, and preferably suitably aliquoted.
  • the kit may also contain a second distinct container into which this second detection and/or therapeutic composition may be placed.
  • a plurality of compounds may be prepared in a single pharmaceutical composition, and may be packaged in a single container means, such as a vial, flask, syringe, bottle, or other suitable single container.
  • kits disclosed herein will also typically include a means for containing the vial(s) in close confinement for commercial sale, such as, e.g., injection or blow-molded plastic containers into which the desired vial(s) are retained.
  • a radiolabel, chromogenic, fluorigenic, or other type of detectable label or detecting means is included within the kit, the labeling agent may be provided either in the same container as the detection or therapeutic composition itself, or may alternatively be placed in a second distinct container means into which this second composition may be placed and suitably aliquoted.
  • the detection reagent and the label may be prepared in a single container means, and in most cases, the kit will also typically include a means for containing the vial(s) in close confinement for commercial sale and/or convenient packaging and delivery.
  • a device or apparatus for carrying out the detection or monitoring methods described herein may include a chamber or tube into which sample can be input, a fluid handling system optionally including valves or pumps to direct flow of the sample through the device, optionally filters to separate plasma or serum from blood, mixing chambers for the addition of capture agents or detection reagents, and optionally a detection device for detecting the amount of detectable label bound to the capture agent immunocomplex.
  • a fluid handling system optionally including valves or pumps to direct flow of the sample through the device, optionally filters to separate plasma or serum from blood, mixing chambers for the addition of capture agents or detection reagents, and optionally a detection device for detecting the amount of detectable label bound to the capture agent immunocomplex.
  • the flow of sample may be passive (e.g ., by capillary, hydrostatic, or other forces that do not require further manipulation of the device once sample is applied) or active (e.g., by application of force generated via mechanical pumps, electroosmotic pumps, centrifugal force, or increased air pressure), or by a combination of active and passive forces.
  • a processor also provided is a processor, a computer readable memory, and a routine stored on the computer readable memory and adapted to be executed on the processor to perform any of the methods described herein.
  • suitable computing systems, environments, and/or configurations include personal computers, server computers, hand-held or laptop devices, multiprocessor systems, microprocessor-based systems, set top boxes, programmable consumer electronics, network PCs, minicomputers, mainframe computers, distributed computing environments that include any of the above systems or devices, or any other systems known in the art.
  • Monoclonal, polyclonal, and humanized antibodies can be prepared (see, e.g., Sheperd and Dean (eds.) (2000) Monoclonal Antibodies, Oxford Univ. Press, New York, NY; Kontermann and Dubel (eds.) (2001 ) Antibody Engineering, Springer- Verlag, New York; Harlow and Lane (1988) Antibodies A Laboratory Manual, Cold Spring Harbor Laboratory Press, Cold Spring Harbor, NY, pp. 139-243; Carpenter, et al. (2000) J.
  • Bifunctional antibodies are provided (see, e.g., Mack, et al. (1995) Proc. Natl. Acad. Sci. USA 92:7021-7025; Carter (2001) J. Immunol. Methods 248:7-15; Volkel, et al. (2001) Protein Engineering 14:815-823; Segal, et al. (2001) J. Immunol. Methods 248:1-6; Brennan, et al. (1985) Science 229:81-83; Raso, et al. (1997) /. Biol. Chem. 272:27623; Morrison (1985) Science 229:1202-1207; Traunecker, et al. (1991) EMBO J. 10:3655- 3659; and U.S. Pat. Nos. 5,932,448, 5,532,210, and 6,129,914).
  • Multispecific antibodies are also provided (see, e.g., Azzoni et al. (1998) J. Immunol. 161:3493; Kita et al. (1999) J. Immunol. 162:6901; Merchant et al. (2000) J. Biol. Chem. 74:9115; Pandey et al. (2000) J. Biol. Chem. 275:38633; Zheng et al. (2001) J. Biol Chem. 276:12999; Propst et al. (2000) J. Immunol. 165:2214; Long (1999 ) Ann. Rev. Immunol. 17:875); Labrijin et al., Proc. Natl. Acad. Sci. USA 110: 5145-50, 2013; de Jong et al., PLOS Biol 14(1): el002344, 2016 (doi: 10.137 l/joumal.pbio.1002344).
  • Animals can be immunized with cells bearing the antigen of interest. Splenocytes can then be isolated from the immunized animals, and the splenocytes can fused with a myeloma cell line to produce a hybridoma (see, e.g., Meyaard et al. (1997) Immunity 7:283-290; Wright et al. (2000) Immunity 13:233-242; Preston et al, supra, Kaithamana et al. (1999) J. Immunol. 163:5157-5164).
  • Antibodies can be conjugated, e.g., to small drug molecules, enzymes, liposomes, polyethylene glycol (PEG). Antibodies are useful for therapeutic, diagnostic, kit or other purposes, and include antibodies coupled, e.g., to dyes, radioisotopes, enzymes, or metals, e.g., colloidal gold (see, e.g., Le Doussal et al. (1991) J. Immunol. 146:169-175; Gibellini et al. (1998) J. Immunol. 160:3891-3898; Hsing and Bishop (1999) J. Immunol. 162:2804-2811; Everts et al. (2002) J. Immunol. 168:883-889).
  • PEG polyethylene glycol
  • Fluorescent reagents suitable for modifying nucleic acids including nucleic acid primers and probes, polypeptides, and antibodies, for use, e.g., as diagnostic reagents, are available (Molecular Probes (2003) Catalogue, Molecular Probes, Inc., Eugene, OR; Sigma-Aldrich (2003) Catalogue, St. Louis, MO).
  • a heavy chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 15, and a light chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 16 (19H2/19K3), a heavy chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 17, and a light chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 18 (25H2/25K1), or
  • a heavy chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 19, and a light chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 20 (31H1/31K1).
  • a heavy chain variable region of SEQ ID NO: 1 or a corresponding heavy chain variable region having at least 90% sequence similarity to the framework region thereof and a light chain variable region of SEQ ID NO: 2 or a corresponding light chain variable region having at least 90% sequence similarity to the framework region thereof
  • a heavy chain variable region of SEQ ID NO: 3 or a corresponding heavy chain variable region having at least 90% sequence similarity to the framework region thereof and a light chain variable region of SEQ ID NO: 4 or a corresponding light chain variable region having at least 90% sequence similarity to the framework region thereof
  • a heavy chain variable region of SEQ ID NO: 19 or a corresponding heavy chain variable region having at least 90% sequence similarity to the framework region thereof and a light chain variable region of SEQ ID NO: 20 a corresponding light chain variable region having at least 90% sequence similarity to the framework region thereof (31H1/31K1).
  • a monoclonal antibody or antigen binding fragment according to one of embodiments 1-5 which is an F(ab) and F(ab')2 fragment.
  • a kit comprising:
  • first monoclonal antibody or antigen binding fragment according to one of embodiments 1-5, and a second monoclonal antibody or antigen binding fragment which specifically binds human CCL14, wherein the first antibody or antigen binding fragment and the second antibody or antigen binding fragment form sandwich complexes with human CCL14.
  • kits according to embodiment 7, wherein the second antibody or antigen binding fragment is an isolated monoclonal antibody or antigen binding fragment according to one of embodiments 1-5 that is different from the first monoclonal antibody or antigen binding fragment.
  • kits according to one of embodiments 7 or 8 further comprising a disposable test device configured to generate a detectable signal related to the presence or amount of human CCL14 in a biological sample, wherein the first antibody or antigen binding fragment or the second antibody or antigen binding fragment is immobilized on a surface within the disposable test device.
  • kits according to embodiment 9, wherein the disposable test device is a lateral flow test device.
  • kits according to one of embodiments 7-10, wherein the kit further comprises a calibration to relate the detectable signal to a concentration of CCL14.
  • a kit according to embodiment 13, wherein the calibration is a calibration curve provided on an electronic memory device.
  • kits configured to perform an assay method which provides a signal related to the presence or amount of human CCL14 in a biological sample, and wherein the minimum detectable concentration of CCL14 in the assay method is 10 ng/mL or less.
  • kits according to one of embodiments 7-15 wherein the first and second monoclonal antibodies or antigen binding fragments thereof in the kit are a pair selected from the group consisting of a 10H3/10K1 - 2H3/2K1 pair, a 10H3/10K1 - 31H1/31K1 pair, an 18H1/18K1 - 31H1/31K1 pair, and an 18H1/18K1 - 2H3/2K1 pair, which in each case the antibody may be the corresponding antigen binding fragment thereof.
  • kits according to one of embodiments 7-16 wherein one of the first or second monoclonal antibodies or antigen binding fragment thereof binds to an epitope on human CCL14 that comprises all or part of the sequence HSVCTNPSDKWVQDYI (SEQ ID NO: 23); and wherein the other of the first or second monoclonal antibodies or antigen binding fragment thereof binds to an epitope on human CCL14 that comprises all or part of the sequence ECCFTYTTYKIPR (SEQ ID NO: 27), TNSQCSKPG (SEQ ID NO: 28) or CCFTYTTYKIPRQR (SEQ ID NO: 24).
  • kits according to one of embodiments 6-18 wherein one or both of the first or second monoclonal antibodies or antigen binding fragment thereof is an F(ab) and F(ab')2 fragment.
  • kits according to one of embodiments 6-19 wherein one or both of the first or second monoclonal antibodies or antigen binding fragment thereof is a rabbit antibody or an antigen binding fragment thereof.
  • a method for determining the presence or amount of human CCL14 in a biological sample comprising:
  • an immunoassay on the biological sample with a first monoclonal antibody or antigen binding fragment thereof and a second monoclonal antibody or antigen binding fragment thereof which together form sandwich complexes with human CCL14, wherein the immunoassay provides a detectable signal that is related to the presence or amount of human CCL14 in the biological sample bound in the sandwich complexes; and relating the detectable signal to the presence or amount of human CCL14 in the biological sample, wherein the first monoclonal antibody or antigen binding fragment, and optionally the second monoclonal antibody or antigen binding fragment, is an antibody according to one of embodiments 1-6 or 21.
  • a method according to one of embodiments 22-25 wherein the immunoassay is performed by applying the human patient sample to a disposable test device, and the detectable signal is obtained by inserting the disposable test device into an analytical instrument, wherein the sandwich complexes comprising the first and second antibodies or antigen binding fragments are immobilized for detection in a predetermined zone of the disposable test device, and wherein the analytical instrument detects the immobilized sandwich complexes to provide the detectable signal.
  • each of the first and second antibodies or antigen binding fragments is a rabbit, mouse, chicken, goat, sheep, donkey, human, llama or camelid antibody or antigen binding fragment thereof.
  • TNSQCSKPG SEQ ID NO: 28
  • ETNSQCSKP SEQ ID NO: 29
  • the second monoclonal antibody or antigen binding fragment thereof binds to an epitope on human CCL14 that comprises all or part of the sequence HSVCTNPSDKWVQDYI (SEQ ID NO: 23), CCFTYTTYKIPRQR (SEQ ID NO: 24), DKWVQDYIKDMK (SEQ ID NO: 25), MDYYETNSQCSK (SEQ ID NO: 26), ECCFTYTTYKIPR (SEQ ID NO: 27), TNSQCSKPG (SEQ ID NO: 28), or ETNSQCSKP (SEQ ID NO: 29) and forms a sandwich complex with CCL14 and the first monoclonal antibody or antigen binding fragment thereof.
  • a method for determining the presence or amount of human CCL14 in a biological sample comprising:
  • an immunoassay on the biological sample with a monoclonal antibody or antigen binding fragment thereof which binds human CCL14, wherein the immunoassay provides a detectable signal that is related to the presence or amount of human CCL14 in the biological sample;
  • the assay is a competitive assay and the monoclonal antibody or antigen binding fragment is an antibody according to one of embodiments 1-6 or 21 or an antigen binding fragment thereof.
  • a monoclonal antibody or antigen binding fragment comprising:
  • a heavy chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 1, and a light chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 2 (2H3/2K1), wherein the heavy chain variable region has at least 90% sequence similarity within the framework sequences to the framework sequences of SEQ ID NO: 1, and the light chain variable region has at least 90% sequence similarity within the framework sequences to the framework sequences of SEQ ID NO: 2.
  • a monoclonal antibody or antigen binding fragment comprising:
  • a heavy chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 3, and a light chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 4 (3H1/3K1), wherein the heavy chain variable region has at least 90% sequence similarity within the framework sequences to the framework sequences of SEQ ID NO: 3, and the light chain variable region has at least 90% sequence similarity within the framework sequences to the framework sequences of SEQ ID NO: 4.
  • a monoclonal antibody or antigen binding fragment comprising:
  • a heavy chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 5, and a light chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 6 (4H1/4K3), wherein the heavy chain variable region has at least 90% sequence similarity within the framework sequences to the framework sequences of SEQ ID NO: 5, and the light chain variable region has at least 90% sequence similarity within the framework sequences to the framework sequences of SEQ ID NO: 6.
  • a monoclonal antibody or antigen binding fragment comprising:
  • a heavy chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 7, and a light chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 8 (10H3/10K1), wherein the heavy chain variable region has at least 90% sequence similarity within the framework sequences to the framework sequences of SEQ ID NO: 7, and the light chain variable region has at least 90% sequence similarity within the framework sequences to the framework sequences of SEQ ID NO: 8.
  • a monoclonal antibody or antigen binding fragment comprising:
  • a heavy chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 9, and a light chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 10 (12H2/12K1), wherein the heavy chain variable region has at least 90% sequence similarity within the framework sequences to the framework sequences of SEQ ID NO: 9, and the light chain variable region has at least 90% sequence similarity within the framework sequences to the framework sequences of SEQ ID NO: 10.
  • a monoclonal antibody or antigen binding fragment comprising:
  • a heavy chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 11, and a light chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 12 (17H2/17K1), wherein the heavy chain variable region has at least 90% sequence similarity within the framework sequences to the framework sequences of SEQ ID NO: 11, and the light chain variable region has at least 90% sequence similarity within the framework sequences to the framework sequences of SEQ ID NO: 12.
  • a monoclonal antibody or antigen binding fragment comprising: a heavy chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 13, and a light chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 14 (18H1/18K1), wherein the heavy chain variable region has at least 90% sequence similarity within the framework sequences to the framework sequences of SEQ ID NO: 13, and the light chain variable region has at least 90% sequence similarity within the framework sequences to the framework sequences of SEQ ID NO: 14.
  • a monoclonal antibody or antigen binding fragment comprising:
  • a heavy chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 15, and a light chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 16 (19H2/19K3), wherein the heavy chain variable region has at least 90% sequence similarity within the framework sequences to the framework sequences of SEQ ID NO: 15, and the light chain variable region has at least 90% sequence similarity within the framework sequences to the framework sequences of SEQ ID NO: 16.
  • a monoclonal antibody or antigen binding fragment comprising:
  • a heavy chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 17, and a light chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 18 (25H2/25K1), wherein the heavy chain variable region has at least 90% sequence similarity within the framework sequences to the framework sequences of SEQ ID NO: 17, and the light chain variable region has at least 90% sequence similarity within the framework sequences to the framework sequences of SEQ ID NO: 18.
  • a monoclonal antibody or antigen binding fragment comprising:
  • a heavy chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 19, and a light chain variable region comprising a CDR1, CDR2, and CDR3 sequence from SEQ ID NO: 20 (31H1/31K1), wherein the heavy chain variable region has at least 90% sequence similarity within the framework sequences to the framework sequences of SEQ ID NO: 19, and the light chain variable region has at least 90% sequence similarity within the framework sequences to the framework sequences of SEQ ID NO: 20.
  • a pair of monoclonal antibodies or antigen binding fragments comprising: a first monoclonal antibody or antigen binding fragment according to one of embodiments 38-47; and a second monoclonal antibody or antigen binding fragment according to one of embodiments 38-47 that differs from the first monoclonal antibody or antigen binding fragment.
  • a monoclonal antibody or antigen binding fragment which specifically binds human CCL14 and that binds to an epitope on human CCL14 that comprises all or part of the sequence HSVCTNPSDKWVQDYI (SEQ ID NO: 23).
  • a monoclonal antibody or antigen binding fragment according to embodiment 50 wherein the monoclonal antibody or antigen binding fragment comprises a heavy chain variable region of SEQ ID NO: 7 or a corresponding heavy chain variable region having at least 90% sequence similarity to the framework region thereof, and a light chain variable region of SEQ ID NO: 8 a corresponding light chain variable region having at least 90% sequence similarity to the framework region thereof (10H3/10K1).
  • kits comprising the monoclonal antibody or antigen binding fragment thereof of one of embodiments 50-52, and a second monoclonal antibody or antigen binding fragment which specifically binds human CCL14 and that binds to an epitope on human CCL14 that comprises all or part of the sequence CCFTYTTYKIPRQR (SEQ ID NO:
  • DKWVQDYIKDMK (SEQ ID NO: 25), MDYYETNSQCSK (SEQ ID NO: 26), ECCFTYTTYKIPR (SEQ ID NO: 27), TNSQCSKPG (SEQ ID NO: 28), or
  • ETNSQCSKP SEQ ID NO: 29
  • the monoclonal antibody or antigen binding fragment thereof and the second antibody or antigen binding fragment thereof form sandwich complexes with human CCL14.
  • kits according to one of embodiments 50-53 wherein the monoclonal antibody or antigen binding fragment thereof binds to an epitope on human CCL14 that comprises all or part of the sequence HSVCTNPSDKWVQDYI (SEQ ID NO: 23); and wherein the second monoclonal antibody or antigen binding fragment thereof binds to an epitope on human CCL14 that comprises all or part of the sequence ECCFTYTTYKIPR (SEQ ID NO: 27), TNSQCSKPG (SEQ ID NO: 28) or CCFTYTTYKIPRQR (SEQ ID NO: 24).
  • kits according to one of embodiments 50-54 wherein the first and second monoclonal antibodies or antigen binding fragment thereof are a pair of antibodies selected from the group consisting of a 10H3/10K1 - 2H3/2K1 pair, a 10H3/10K1 - 31H1/31K1 pair, an 18H1/18K1 - 31H1/31K1 pair, and an 18H1/18K1 - 2H3/2K1 pair, which in each case the antibody may be the corresponding antigen binding fragment thereof.
  • a kit according to embodiment 55 wherein one of the first or second monoclonal antibodies or antigen binding fragment thereof is 10H3/10K1 or antigen binding fragment thereof; and wherein the other of the first or second monoclonal antibodies is 31H1/31K1 or 2H3/2K1 or an antigen binding fragment thereof.
  • kits according to embodiment 53 wherein the second monoclonal antibody or antigen binding fragment thereof comprises a heavy chain variable region of SEQ ID NO: 19 or a corresponding heavy chain variable region having at least 90% sequence similarity to the framework region thereof, and a light chain variable region of SEQ ID NO: 20 a corresponding light chain variable region having at least 90% sequence similarity to the framework region thereof (31H1/31K1).
  • kits according to embodiment 58 wherein the monoclonal antibody or antigen binding fragment thereof is 10H3/10K1 or antigen binding fragment thereof; and wherein the second monoclonal antibody or antigen binding fragment thereof is 31H1/31K1 or antigen binding fragment thereof.
  • kits according to embodiment 53 wherein the second monoclonal antibody or antigen binding fragment thereof comprises a heavy chain variable region of SEQ ID NO: 1 or a corresponding heavy chain variable region having at least 90% sequence similarity to the framework region thereof, and a light chain variable region of SEQ ID NO: 2 a corresponding light chain variable region having at least 90% sequence similarity to the framework region thereof (2H3/2K1).
  • kits according to embodiment 59 wherein the monoclonal antibody or antigen binding fragment thereof is 10H3/10K1 or antigen binding fragment thereof; and wherein the second monoclonal antibody or antigen binding fragment thereof is 2H3/2K1 or antigen binding fragment thereof.
  • kits according to one of embodiments 53-60 wherein one or both of the first or second monoclonal antibodies or antigen binding fragment thereof is an F(ab) or F(ab')2 fragment.
  • Example 1 Monoclonal antibody development in rabbits
  • a test bleed was taken from the marginal ear vein seven days after the second boost. This test bleed (immune sera) was tested by indirect ELISA assay to determine if immune response of the rabbit was adequate for monoclonal antibody development. Responding rabbits were given a final SQ boost and four days later was euthanized via exsanguination. The whole blood was collected via cardiac puncture. B cells producing antibody of interest were identified by indirect ELISA on target antigen and immunoglobulin genes were isolated. Heavy and light chains were cloned into separate mammalian expression vectors, transfected into HEK cells (transient transfection), and tissue culture supernatant containing rabbit monoclonal antibodies were harvested. Heavy and light chain sequences were obtained by DNA sequencing.
  • Example 2 _ Epitope mapping of monoclonal antibodies to CCL14
  • AF324 and MAB3241 were mapped using linear, conformational, and discontinuous mapping methods.
  • AF324 is a polyclonal goat antibody
  • MAB3241 is a mouse monoclonal antibody.
  • each residue in a fragment at positions 10 and 11 were replaced by alanine (unless the native residue was alanine, in which case it is replaced by glycine).
  • each cysteine is replaced by a Cys-acetamidomethyl residue.
  • amino acid sequence of the CCL14 protein was first split int overlapping 25 residue fragments in silico with an offset of one residue, which were then synthesized on a solid support.
  • constrained peptides of length 17 were generated. On positions 2 - 16 are l5-mer peptides derived from the target sequence of CCL14 with an offset of one residue. Cys residues were inserted on positions 1 and 17 and joined by mP2 CLIPS in order to create a loop mimic. Native Cys are replaced by a Cys- acetamidomethyl residue.
  • constrained peptides of length 21 were generated. On positions 2 - 16 are l9-mer peptides derived from the target sequence of CCL14 with an offset of one residue. Cys residues were inserted on positions 1 and 21 and joined by mP2 CLIPS in order to create a loop mimic. Native Cys are replaced by a Cys- acetamidomethyl residue.
  • constrained peptides of length 27 were generated. On positions 2 - 26 are 25-mer peptides derived from the target sequence of CCL14 with an offset of one residue. Cys residues were inserted on positions 1 and 27 and joined by mP2 CLIPS in order to create a loop mimic. Native Cys are replaced by a Cys- acetamidomethyl residue.
  • b-tum epitope mimics of length 22 were generated. On positions 2 - 21 are 20-mer peptides derived from the target sequence of CCL14 with an offset of one residue. Residues on positions 11 and 12 are replaced by a“PG” motif in order to induce the b-turn formation. Cys residues were inserted on positions 1 and 22 and joined by mP2 CLIPS in order to stabilize the mimic. Native Cys are replaced by a Cys-acetamidomethyl residue. [00192] For a ninth library, a-helical epitope mimics of length 22 were generated. Cys residues were inserted on positions 1 and 5 in order to nucleate an a-helical turn using mP2 CLIPS. Cys residues were inserted on positions 1 and 22 and joined by mP2 CLIPS in order to stabilize the mimic. Native Cys are replaced by a Cys-acetamidomethyl residue.
  • peptides of length 25 derived from the CCL14 were generated. Each 25-mer peptide contains a pair of cysteine residues that are indicated to form a disulfide bridge as per UniProt information on post-translational modification of CCL14. Cys residues not participating in the disulfide bridge formation are replaced by a Cys-acetamidomethyl residue.
  • peptides of length 27 derived from the CCL14 were generated. Each 27-mer is composed of two ll-mer peptides joined via“GGSGG” linker. Two combined ll-mers contain a pair of cysteine residues that are indicated to form a disulfide bridge as per UniProt information on post-translational modification of CCL14. Cys residues not participating in the disulfide bridge formation are replaced by a Cys- acetamidomethyl residue.
  • bicyclic peptides of length 27 were generated. On positions 2 - 13 and 15 - 26 are l2-mer peptides derived from the sequence of CCL14. Cys residues are inserted on positions 1, 14 and 27 in order to create a discontinuous mimic by means of T3 CLIPS. Native Cys are replaced by a Cys-acetamidomethyl residue.
  • bicyclic peptides of length 33 were generated. On positions 2 - 16 and 18 - 32 are l5-mer peptides derived from the sequence of CCL14. Cys residues are inserted on positions 1, 17 and 33 in order to create a discontinuous mimic by means of T3 CLIPS. Native Cys are replaced by a Cys-acetamidomethyl residue.
  • Antibodies were diluted in buffer and applied to the peptide library array. Each antibody tested was optimized for the array by testing different blocking conditions and sample concentration. Results were analyzed and binding events were noted with at least three times the median value. Epitope mapping was precluded in the case of antibodies showing high binding signals throughout the array. [00198] Based on binding to the array, the following CCL14 epitopes were identified for antibodies of the present invention:
  • Various antibodies of the invention were tested for their ability to form sandwich complexes in a lateral flow format.
  • Urine was used as a sample matrix for CCL14 antigen standards.
  • One member of the antibody pair (the“strip” antibody) was immobilized onto a nitrocellulose membrane, and the other member of the antibody pair was prepared as a labeled conjugate with a label that is detectable by the ASTUTE 140® meter system for reading to the test strip.
  • CCL14 standard was prepared using R&D Systems catalog number 324-HC to the following target concentrations (all ng/mL): 20, 5, 2, 0.5, and 0.2. antibodies tested were 2H3/2K1, 31H1/31K1, 18H1/18K1, and 10H3/10K1. Pairing results are shown in Fig. 3.

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Abstract

L'invention concerne des anticorps CCL14.
EP18893753.6A 2017-12-28 2018-12-28 Anticorps et dosages pour ccl14 Withdrawn EP3732196A4 (fr)

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EP3732196A4 (fr) 2022-01-05
CN112041341B (zh) 2024-05-24
CN112041341A (zh) 2020-12-04
US20210061900A1 (en) 2021-03-04
JP2021509120A (ja) 2021-03-18
WO2019133902A2 (fr) 2019-07-04
US20240124569A1 (en) 2024-04-18
WO2019133902A3 (fr) 2019-10-10

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